128225606 has 8 divisors (see below), whose sum is σ = 193490640. Its totient is φ = 63728728.

The previous prime is 128225597. The next prime is 128225653. The reversal of 128225606 is 606522821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191621 + ... + 192288.

It is an arithmetic number, because the mean of its divisors is an integer number (24186330).

Almost surely, 2^128225606 is an apocalyptic number.

128225606 is a deficient number, since it is larger than the sum of its proper divisors (65265034).

128225606 is a wasteful number, since it uses less digits than its factorization.

128225606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384078.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 128225606 is about 11323.6745802765. The cubic root of 128225606 is about 504.2643354922.

The spelling of 128225606 in words is "one hundred twenty-eight million, two hundred twenty-five thousand, six hundred six".